131212443122241 has 12 divisors (see below), whose sum is σ = 189442817289648. Its totient is φ = 80746118844144.

The previous prime is 131212443122231. The next prime is 131212443122261. The reversal of 131212443122241 is 142221344212131.

It is a happy number.

It is not a de Polignac number, because 131212443122241 - 2⁵ = 131212443122209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131212443122221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129400830975 + ... + 129400831988.

It is an arithmetic number, because the mean of its divisors is an integer number (15786901440804).

Almost surely, 2^{131212443122241} is an apocalyptic number.

It is an amenable number.

131212443122241 is a deficient number, since it is larger than the sum of its proper divisors (58230374167407).

131212443122241 is a wasteful number, since it uses less digits than its factorization.

131212443122241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258801662992 (or 258801662979 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

Adding to 131212443122241 its reverse (142221344212131), we get a palindrome (273433787334372).

The spelling of 131212443122241 in words is "one hundred thirty-one trillion, two hundred twelve billion, four hundred forty-three million, one hundred twenty-two thousand, two hundred forty-one".